Home / 28,216,957.20-42,262,450.20-23,178,109.20

Finding the Fourth Proportional to 28,216,957.20, 42,262,450.20 and 23,178,109.20

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Solution

The fourth proportional to 28,216,957.20, 42,262,450.20 and 23,178,109.20 is: 34,715,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,216,957.20 : 42,262,450.20 = 23,178,109.20 : x
  2. Step 2: Convert to fraction form
    28,216,957.20/42,262,450.20 = 23,178,109.20/x
  3. Step 3: Cross multiply
    28,216,957.20x = 42,262,450.20 × 23,178,109.20
  4. Step 4: Simplify right side
    28,216,957.20x = 979,563,685,795,161.88
  5. Step 5: Solve for x
    x = 979,563,685,795,161.88/28,216,957.20
  6. Step 6: Final answer
    x = 34,715,425.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.